Authors: F.
- Malherbe, Daniel François 1881-1969 702 downloads
- Harkins, E. F. (Edward Francis) 1872- 701 downloads
- Truscott, Frederick Wilson 1870- 700 downloads
- Emory, Frederick Lincoln 1867- 700 downloads
- Clark, Francis E. (Francis Edward) 1851-1927 700 downloads
- Fernández-Flórez, Wenceslao 1885-1964 697 downloads
- Gilbert, Frederick 1827-1902 696 downloads
- Fayrer, F. D. S. (Frederick Durand Stirling) 1869- 696 downloads
- Lange, Alexis Frederick 1862-1924 695 downloads
- Herbart, Johann Friedrich 1776-1841 695 downloads
- Horn, W. O. von 1798-1867 694 downloads
- Jourdain, Eleanor F. (Eleanor Frances) 1863-1924 694 downloads
- Junghuhn, Franz Wilhelm 1809-1864 694 downloads
- Broun, A. F. (Alfred Forbes) 1858-1953 693 downloads
- Moulton, Forest Ray 1872-1952 690 downloads
- Brummer, F. F. (Frans Ferdinand) 1847-1893 689 downloads
- Buitenrust Hettema, F. 1862-1922 685 downloads
- Spaulding, Frank E. (Frank Ellsworth) 1866-1960 683 downloads
- M'Clintock, Francis Leopold, Sir 1819-1907 678 downloads
- Hoffman, Charles Fenno 1806-1884 678 downloads
- Hirst, Francis W. (Francis Wrigley) 1873-1953 675 downloads
- Schottky, Friedrich 1851-1935 674 downloads
- Train, George Francis 1829-1904 674 downloads
- Ruxton, George Frederick Augustus 1820-1848 673 downloads
- Martin, Percy F. (Percy Falcke) 1861-1941 673 downloads
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